diff options
Diffstat (limited to 'navit/file.c')
| -rw-r--r-- | navit/file.c | 83 |
1 files changed, 0 insertions, 83 deletions
diff --git a/navit/file.c b/navit/file.c index 6764eafe1..8363b6a8b 100644 --- a/navit/file.c +++ b/navit/file.c @@ -46,14 +46,6 @@ extern char *version; -#ifdef HAVE_LIBCRYPTO -#include <openssl/sha.h> -#include <openssl/hmac.h> -#include <openssl/aes.h> -#include <openssl/evp.h> -#include <openssl/rand.h> -#endif - #ifdef CACHE_SIZE static GHashTable *file_name_hash; #endif @@ -555,81 +547,6 @@ file_data_read_compressed(struct file *file, long long offset, int size, int siz return ret; } -unsigned char * -file_data_read_encrypted(struct file *file, long long offset, int size, int size_uncomp, int compressed, char *passwd) -{ -#ifdef HAVE_LIBCRYPTO - void *ret; - unsigned char *buffer = 0; - uLongf destLen=size_uncomp; - - if (file->cache) { - struct file_cache_id id={offset,size,file->name_id,1}; - ret=cache_lookup(file_cache,&id); - if (ret) - return ret; - ret=cache_insert_new(file_cache,&id,size_uncomp); - } else - ret=g_malloc(size_uncomp); - lseek(file->fd, offset, SEEK_SET); - - buffer = (unsigned char *)g_malloc(size); - if (read(file->fd, buffer, size) != size) { - g_free(ret); - ret=NULL; - } else { - unsigned char key[34], salt[8], verify[2], counter[16], xor[16], mac[10], *datap; - int overhead=sizeof(salt)+sizeof(verify)+sizeof(mac); - int esize=size-overhead; - PKCS5_PBKDF2_HMAC_SHA1(passwd, strlen(passwd), (unsigned char *)buffer, 8, 1000, 34, key); - if (key[32] == buffer[8] && key[33] == buffer[9] && esize >= 0) { - AES_KEY aeskey; - AES_set_encrypt_key(key, 128, &aeskey); - datap=buffer+sizeof(salt)+sizeof(verify); - memset(counter, 0, sizeof(counter)); - while (esize > 0) { - int i,curr_size,idx=0; - do { - counter[idx]++; - } while (!counter[idx++]); - AES_encrypt(counter, xor, &aeskey); - curr_size=esize; - if (curr_size > sizeof(xor)) - curr_size=sizeof(xor); - for (i = 0 ; i < curr_size ; i++) - *datap++^=xor[i]; - esize-=curr_size; - } - size-=overhead; - datap=buffer+sizeof(salt)+sizeof(verify); - if (compressed) { - if (uncompress_int(ret, &destLen, (Bytef *)datap, size) != Z_OK) { - dbg(lvl_error,"uncompress failed\n"); - g_free(ret); - ret=NULL; - } - } else { - if (size == destLen) - memcpy(ret, buffer, destLen); - else { - dbg(lvl_error,"memcpy failed\n"); - g_free(ret); - ret=NULL; - } - } - } else { - g_free(ret); - ret=NULL; - } - } - g_free(buffer); - - return ret; -#else - return NULL; -#endif -} - void file_data_free(struct file *file, unsigned char *data) { |